//
// Created by 束庆乐 on 2024/12/27.
//
#include "iostream"
using namespace std;
/**
 * hi
 * @return
 */
int main001(){
    cout << "Hello world" << endl;
    int a;
    a = 10;
    cout << "a==" << a << endl;
//    system("pause");

    return 0;
}
